#664d21
a dark, vivid orange · warm · closest name: sienna
RGB
102, 77, 33
HSL
38°, 51%, 27%
CMYK
0, 25, 68, 60
Luminance
0.0824
Every format
| HEX | #664d21 |
| RGB | rgb(102, 77, 33) |
| HSL | hsl(38, 51%, 27%) |
| CMYK | cmyk(0%, 25%, 68%, 60%) |
| LAB | lab(34.5 5.2 29.6) |
| LCH | lch(34.5 30.0 80.0) |
| OKLCH | oklch(0.437 0.069 79.3) |
Copy-ready code
/* CSS */
color: #664d21;
background-color: #664d21;
/* Tailwind (arbitrary) */
class="text-[#664d21] bg-[#664d21]"
/* SCSS */
$brand: #664d21;
/* SwiftUI */
Color(red: 0.400, green: 0.302, blue: 0.129)
/* Android */
Color.parseColor("#664d21")Accessibility — WCAG contrast
Aa
#664d21 on white: 7.93:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#664d21 on black: 2.65:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green30.2%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta24.5%
Yellow67.6%
Key (black)60.0%
Color previews
#664d21 text on a black background
contrast 2.65:1
Card sample
#664d21 text on a white background
contrast 7.93:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #664d21;
Background color
Panel with #664d21 background
background-color: #664d21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #664d21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 77, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 77, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #664d21; background: linear-gradient(135deg, #664d21, #516621);